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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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    <script>
        // 创建一个字符串，字符串内容会使用内双外单这种写法
        let str ='贺老狗天天跟"shit老师"在一起'
        console.log(str);
        console.log(typeof  +'136')

    </script>
</body>
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